import os
from decimal import Decimal as d
import request
import time
print(os.)
print("hello")
print("haha")
print("hehe")
print（0）
try
catch
while
if
else
return
case
def calculate(a, b):
    result = a * 2 + b  # 4空格缩进
    return result

    import json

data = {"date": "2025-10-18", "temp": 26.5}
json_str = json.dumps(data, indent=2)  # 缩进格式化
哈哈
嗯嗯


# 输出：
# {
#   "date": "2025-10-18",
#   "temp": 26.5
# }